Earth is getting the fatigue. Depletion of ozone layer, global warming, acid rain, reduction of tropical forest by cutting down the timber, marine pollution, atmospheric pollution, water pollution, underground water pollution and other problems at home and abroad have been with us in ordinary lives now.Our company has been leading the filter industry from its founding in 1999 with the devotion and commitment to be the guardian of environment protection. We will make even more progress in the filter business, a part of the environment business to the days ahead of us. We wish for your great interests and encouragement. Thank you.